1. silvia30's Avatar
    I just want to Downgrade my iphone 3g from 4.2 to 3.1.3 or 4.0 but I'm Unable to do this

    So please Help

    Thanks
    2011-09-02 09:58 PM
  2. iYeow's Avatar
    Why not,
    Put iphone into normal dfu mode
    Run itunes : shift + restore to 3.1.3 ipsw
    Use Exit recovery from feature of Tiny Umbrella to kick out error 1015
    Activate with Sim
    Jailbreak it with Redsn0w 0.9.4 but point browse to 3.1.2 ipsw.
    2011-09-02 10:46 PM
  3. silvia30's Avatar
    thanks If i want to downgrade my iphone 3g from 4.2.1 to 4.0 then what should i do ???
    2011-09-03 07:53 AM
  4. iYeow's Avatar
    You need 4.0 shsh blob

    You run TSS server to verify blob
    and restore to 4.0 fw
    2011-09-03 11:51 PM
  5. xboxbml's Avatar
    I didn't think u needed blobs for 3G..
    2011-09-04 01:02 AM
  6. Mes's Avatar
    3G @ 4.0 blobs are needed unless a custom firmware is built.

    There's no reason to be on 4.0. In fact a 3G runs best on 3.1.3.
    If any 4.x iOS is needed, go for the last version 4.2.1 which is being signed by Apple
    Last edited by Mes; 2011-09-04 at 01:07 AM.
    2011-09-04 01:04 AM
  7. silvia30's Avatar
    You need 4.0 shsh blob

    You run TSS server to verify blob
    and restore to 4.0 fw
    what is shsh blob ?
    2011-09-04 11:19 AM
  8. xboxbml's Avatar
    Ahhh....ok..cuz I've been thinking of updating my wides 3G to 3.1.3....which is better, 3.1.2 or 3.1.3? She's been on 3.1.2 since it came out....

    Wifes 3G...wonderful autocorrect..
    2011-09-04 05:05 PM
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